/***下拉刷新****/
var myScroll,
pullUpEl, pullUpOffset,
generatedCount = 0;


/**
 * 初始化iScroll控件
 */
function loaded() {
	pullUpEl = document.getElementById('pullUp');	
	pullUpOffset = pullUpEl.offsetHeight;
	
	myScroll = new iScroll('wrapper', {
		scrollbarClass: 'myScrollbar', /* 重要样式 */
		useTransition: false, /* 此属性不知用意，本人从true改为false */
		onRefresh: function () {
			if (pullUpEl.className.match('loading')) {
				pullUpEl.className = '';
				pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...';
			}
		},
		onScrollMove: function () {
			if (this.y < (this.maxScrollY - 5) && !pullUpEl.className.match('flip')) {
				pullUpEl.className = 'flip';
				pullUpEl.querySelector('.pullUpLabel').innerHTML = '松手开始更新...';
				this.maxScrollY = this.maxScrollY;
			} else if (this.y > (this.maxScrollY + 5) && pullUpEl.className.match('flip')) {
				pullUpEl.className = '';
				pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...';
				this.maxScrollY = pullUpOffset;
			}
		},
		onScrollEnd: function () {
			if (pullUpEl.className.match('flip')) {
				pullUpEl.className = 'loading';
				pullUpEl.querySelector('.pullUpLabel').innerHTML = '加载中...';				
				pullUpAction();	// Execute custom function (ajax call?)
			}
		}
	});
	
	setTimeout(function () { document.getElementById('wrapper').style.left = '0'; }, 800);
}
//初始化绑定iScroll控件 
document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);
document.addEventListener('DOMContentLoaded', loaded, false);
/***下拉刷新 end****/